package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 *分类管理
 */
@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R add(@RequestBody Category category){
    categoryService.save(category);
    return R.success("新增分类成功");
    }

    /**
     *
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R page(int page,int pageSize){
        Page<Category> pageInfo= new Page(page, pageSize);
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();

        categoryService.page(pageInfo,queryWrapper);

        return R.success(pageInfo);
    }

    @DeleteMapping
    public R delete(Long id){
        categoryService.removeById(id);

        return R.success("分类信息删除成功");
    }

    @PutMapping
    public R update(Category category){
        categoryService.updateById(category);

        return R.success("修改分类信息成功");

    }
    /**
     *
     * 根据条件查询分页数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R  list(Category category) {
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType() != null, Category::getType, category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category :: getUpdateTime);

        List<Category> list =categoryService.list(queryWrapper);

        return R.success(list);
    }


}
